MS

Masakazu Sakamoto

RY Ryobi: 56 patents #1 of 309Top 1%
Nichia: 12 patents #151 of 1,531Top 10%
Fujitsu Limited: 7 patents #4,529 of 24,456Top 20%
Bridgestone: 3 patents #795 of 2,860Top 30%
LS Laser Systems: 1 patents #6 of 14Top 45%
📍 Tokushima, JP: #11 of 1,059 inventorsTop 2%
Overall (All Time): #23,657 of 4,157,543Top 1%
78
Patents All Time

Issued Patents All Time

Showing 76–78 of 78 patents

Patent #TitleCo-InventorsDate
D256043 Fishing spinning reel body or the like Tetsuyuki Doi 1980-07-22
D255417 Portable electric grinder Tetsuyuki Doi 1980-06-17
D253838 Fishing reel Takeshi Shohoji 1980-01-01